<!DOCTYPE html>
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<head>
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    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>仿菜鸟教程</title>
</head>
<style>
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        font-family: 'FontAwesome';
        src: url('../fonts/fontawesome-webfont.eot?v=4.7.0');
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    .container {
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        margin-bottom: 15px;
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    .logo,
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        color: #64854c;
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        text-indent: -9999px;
        width: 258px;
        height: 39px;
        margin-top: 10px;
        margin-left: 20px;
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        right: 9px;
        height: 35px;
        width: 94%;
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        text-align: start;
        margin: 0em;
        font: 400 13.3333px Arial;
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    thead,
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    .nav .current {
        background-image: url(http:www.runoob.com/wp-content/themes/runoob/assets/img/navarrow.png);
        background-repeat: no-repeat;
        background-position: center bottom;
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    .nav-sub li a {
        padding: 10px 0 10px 0;
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        -o-transition-duration: .2s;
        -o-transition-property: opacity;
        -webkit-transition-duration: .2s;
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        text-align: -webkit-match-parent;
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    li,
    ol,
    p,
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        line-height: 1.5em;
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    .nav li,
    .nav-sub li {
        display: inline;
        margin: 0 20px 0 0;
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    .nav,
    .nav-sub,
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        padding: 10px 0 0 20px;
        height: 24px;
        font-size: 1.1em;
        font-family: proxima-nova, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    }

    .nav,
    .nav-sub,
    .profile-bar,
    .row-login-desktop,
    .row-login-mobile,
    .sixteencol {
        width: 100%;
        float: left;
    }

    .main {
        margin-top: 20px;
    }

    .fourcol,
    .left-column {
        width: 16%;
        display: block;
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    .fa-navicon:before,
    .fa-reorder:before,
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        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
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        font-weight: 400;
        display: block;
        font-size: 1.2em;
        line-height: 1.9em;
        font-family: proxima-nova, 'Helvetica Neue', Helvetica, Arial, sans-serif;
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    .sidebar-box {
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        margin: 0 0 20px 0;
        padding: 4px;
        -moz-box-shadow: 0 1px 1px 0 rgba(0, 0, 0, .1);
        -webkit-box-shadow: 0 1px 1px 0 rgba(0, 0, 0, .1);
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        padding: 4px;
        margin: 0;
        overflow: hidden;
    }

    .navto-nav {
        cursor: pointer;
        margin: 8px 2px;
        padding: 0;
        font-size: 14px;
    }

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        border-top: 1px solid #efefef;
        border-bottom: 1px solid #efefef;
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        width: 78%;
        margin-right: 0;
        padding: 12px 20px;
        border: 1px solid #eaeaea;
        background-color: #fff;
        border-radius: 4px;
    }

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        overflow: hidden;
    }

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        content: "\f03a";
    }

    .codelist a.item-top {
        width: 28%;
        margin: 0 8px 10px 0;
        text-align: left;
        height: 80px;
        color: #bbb;
        background-color: #f6f6f6;
        border-radius: 5px;
        padding: 6px 16px;
    }

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        width: 72px;
        margin: 0 5px 8px 5px;
        float: left;
        text-align: center;
        color: #999;
        font-size: 12px;
        height: 65px;
        overflow: hidden;
        text-decoration: none;
    }

    .codelist a.item-top .codeicon {
        float: left;
        margin-left: 10px;
        margin-right: 10px;
    }

    .codelist h2 {
        font-size: 18px;
        font-weight: 700;
        margin: 12px 0;
        border-bottom: 1px solid #eaeaea;
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        font-size: 1.5em;
        -webkit-margin-before: 0.83em;
        -webkit-margin-after: 0.83em;
        -webkit-margin-start: 0px;
        -webkit-margin-end: 0px;
        font-weight: bold;
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    .codelist .codeicon {
        border-radius: 5px;
        margin: 0 auto;
        display: block;
        margin-bottom: 5px;
    }

    a img {
        border: 0;
    }

    img {
        height: auto;
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    embed,
    img,
    object {
        max-width: 100%;
    }

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        color: #64854c;
        font-size: 16px;
        margin-top: 10px;
        margin-bottom: 10px;
        line-height: 1.1;
        text-align: left;
    }

    .codelist a.item-top strong {
        display: block;
        color: #666;
        text-align: left;
    }

    #footer {
        min-width: 100%;
        margin-top: 20px !important;
    }

    #footer .runoob-block {
        background: #fff;
        border-top: 1px solid #e4e4e4;
        border-bottom: 1px solid #e4e4e4;
        padding-bottom: 50px;
    }

    #footer .runoob-block .runoob {
        width: 80%;
        margin: 0 auto;
        min-height: 200px;
    }

    #footer .runoob dl {
        width: 15%;
        padding-left: 30px;
        color: gray;
        margin: 25px 0;
        float: left;
        border-left: 1px solid #e4e4e4;
        min-height: 175px;
    }

    #footer .runoob dl dt {
        font-size: 14px;
        color: #666;
        font-weight: 500;
    }


    #footer .search-share {
        width: 16%;
        float: left;
        min-height: 226px;
        border-left: 1px solid #e4e4e4;
        padding: 20px 0 0 40px;
    }

    #footer .search-share .share {
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    #footer .copyright {
        font-size: 12px;
        color: #999;
        margin: 0 auto;
        width: 100%;
        text-align: center;
        padding: 20px 0;
    }

    #footer .runoob dl dd {
        font-size: 12px;
        margin-top: 10px;
    }

    #footer .search-share .app-download strong {
        font-size: 18px;
        color: #666;
        margin-bottom: 8px;
    }

    #footer .runoob a {
        color: gray;
        padding-left: 5px;
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    #footer .copyright a {
        color: #999;
    }

    .fixed-btn {
        position: fixed;
        right: 1%;
        bottom: 5%;
        width: 40px;
        border: 1px solid #eee;
        background-color: white;
        font-size: 24px;
        z-index: 1040;
        -webkit-backface-visibility: hidden;
    }

    .fa-angle-up:before {
        content: "\f106";
    }

    .fixed-btn .go-top {
        border-bottom: 1px solid #eee;
    }

    .fixed-btn a {
        display: inline-block;
        width: 40px;
        height: 40px;
        text-align: center;
    }

    .fa-qrcode:before {
        content: "\f029";
    }

    .fixed-btn a i {
        vertical-align: middle;
    }

    .fixed-btn a:after {
        content: ".";
        font-size: 0;
        height: 100%;
        display: inline-block;
        vertical-align: middle;
    }
</style>

<body>
    <div class="container logo-search">
        <!-- 头部-->
        <div class="row">
            <div class="col logo">
                <h1>
                    <a href="/">菜鸟教程 -- 学的不仅是技术，更是梦想！</a>
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                        <h4>【学习 HTML】</h4>
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                        <strong>HTML，即超文本标记语言（Hyper Text Markup Language）</strong>
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                        <h4>【学习 CSS】</h4>
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                        <h4>【学习 CSS3】</h4>
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                        <h4>【学习 Foundation】</h4>
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